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Finding the Fourth Proportional to 115,766.84, 173,662.71 and 36,862.61

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Solution

The fourth proportional to 115,766.84, 173,662.71 and 36,862.61 is: 55,297.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,766.84 : 173,662.71 = 36,862.61 : x
  2. Step 2: Convert to fraction form
    115,766.84/173,662.71 = 36,862.61/x
  3. Step 3: Cross multiply
    115,766.84x = 173,662.71 × 36,862.61
  4. Step 4: Simplify right side
    115,766.84x = 6,401,659,697.65
  5. Step 5: Solve for x
    x = 6,401,659,697.65/115,766.84
  6. Step 6: Final answer
    x = 55,297.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.